Liquid-cooling termination structure having temperature sensing function

ABSTRACT

A liquid-cooling termination structure having temperature sensing function is disposed on a liquid-cooling system which is used for performing a heat dissipating operation to a heat source of equipment. The liquid-cooling termination structure includes a water cooling head and a temperature sensing unit. The water cooling head is formed with an adhering surface used for being adhered on the heat source. The temperature sensing unit includes a sensing terminal, and a signal transferring cable extended from the sensing terminal. The sensing terminal is combined with the water cooling head from the exterior of the water cooling head, and the signal transferring cable is connected to the equipment for obtaining the temperature of the heat source through the water cooling head.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a divisional application of U.S. patent applicationSer. No. 16/432,756, filed on Jun. 5, 2019, and entitled “LIQUID-COOLINGTERMINATION STRUCTURE HAVING TEMPERATURE SENSING FUNCTION”, which is adivisional application of U.S. patent application Ser. No. 15/693,058,filed on Aug. 31, 2017, and entitled “LIQUID-COOLING TERMINATIONSTRUCTURE HAVING TEMPERATURE SENSING FUNCTION”. The entire disclosuresof the above applications are all incorporated herein by reference.

BACKGROUND OF THE INVENTION Field of the Invention

The present invention relates to a liquid-cooling system, especially toa liquid-cooling termination structure having temperature sensingfunction.

Description of Related Art

For monitoring the operating condition of a heat source, such as acentral processing unit (CPU), and preventing overheating which maycause malfunction, a liquid-cooling system applied in an equipment, suchas a cellphone or a computer, is disposed with a temperature sensor onthe above-mentioned heat source, so that the temperature of the heatsource is able to be obtained through the temperature sensor, and theoperating condition of the heat source can be monitored and other datacan also be obtained.

However, the means of disposing the temperature sensor on the heatsource for obtaining the temperature thereof requires the heat source toprovide a function of outputting a temperature signal, thus a concern ofleaking information may be caused, and the information security isunable to be comprehensively protected.

Accordingly, the applicant of the present invention has devoted himselffor improving the mentioned disadvantages.

SUMMARY OF THE INVENTION

The present invention is to provide a liquid-cooling terminationstructure having temperature sensing function, in which a liquid-coolingtermination is integrated with a temperature sensor, so that thetemperature of a heat source can be obtained through the liquid-coolingtermination being in contact with the heat source, in other words theheat source is not required to provide a function of outputting atemperature signal, so that the information security of an equipment canbe effectively protected.

Accordingly, the present invention provides a liquid-cooling terminationstructure having temperature sensing function, which is disposed on aliquid-cooling system used for performing a heat dissipating operationto a heat source of equipment. The liquid-cooling termination structureincludes a water cooling head and a temperature sensing unit. The watercooling head disposed outside the heat source of equipment, having anadhering surface adhered to the heat source of equipment. Thetemperature sensing unit includes a sensing terminal, and a signaltransferring cable extended from the sensing terminal. The sensingterminal is combined with the water cooling head from the exterior ofthe water cooling head, and the signal transferring cable is connectedto the equipment for obtaining the temperature of the heat sourcethrough the water cooling head. Wherein the water cooling head is formedas a polygonal sheet-like member, a recessed surface is formed at acorner of the adhering surface, and the sensing terminal of thetemperature sensing unit is formed as a flat circular member andcombined on the recessed surface.

BRIEF DESCRIPTION OF DRAWING

FIG. 1 is a perspective exploded view according to a first embodiment ofthe present invention;

FIG. 2 is a cross sectional view showing the assembly according to thefirst embodiment of the present invention;

FIG. 3 is a cross sectional view showing the assembly according to asecond embodiment of the present invention;

FIG. 4 is a perspective view showing the assembly according to a thirdembodiment of the present invention;

FIG. 5 is a partial exploded view according to the third embodiment ofthe present invention;

FIG. 6 is a perspective exploded view according to a fourth embodimentof the present invention;

FIG. 7 is a perspective view showing the assembly according to thefourth embodiment of the present invention; and

FIG. 8 is a cross sectional view showing the assembly according to afifth embodiment of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

Preferred embodiments of the present invention will be described withreference to the drawings.

Please refer to FIG. 1 and FIG. 2, wherein FIG. 1 is a perspectiveexploded view according to a first embodiment of the present inventionand FIG. 2 is a cross sectional view showing the assembly according tothe first embodiment of the present invention. The present inventionprovides a liquid-cooling termination structure having temperaturesensing function. The liquid-cooling termination structure is disposedon a liquid-cooling system (not shown in figures), and theabove-mentioned liquid-cooling system is used for dissipating a heatsource of an equipment such as a cellphone or a computer, or used forworking with an equipment such as a large-scale server, a medicalequipment, a precision instrument or an electric-powered device forproviding a heat dissipation effect. The above-mentioned heat source canbe a central processing unit (CPU) or other electric components capableof generating heat which are disposed inside the cellphone or thecomputer. The liquid-cooling termination structure includes a watercooling head 1 and a temperature sensing unit 2.

The water cooling head 1 is formed as a polygonal sheet-like member madeof a thermal conductive material, and the above-mentioned thermalconductive material can be copper or aluminum. The water cooling head 1is formed with at least one adhering surface 100, so that the adheringsurface 100 is able to be adhered on the above-mentioned heat source 3(as shown in FIG. 2), thereby allowing the liquid-cooling system toperform a heat dissipating operation to the heat source 3. According tothis embodiment, the water cooling head 1 is further formed with a topsurface 111 arranged opposite to the adhering surface 100, and lateralsurfaces 12 continuously surrounding peripheries of the adhering surface100 and the top surface 111, so as to form the above-mentionedsheet-like member.

The temperature sensing unit 2 can be a contacting-type or infraredsensor, and the interior thereof is mainly composed of a thermal coupleor a thermistor. The temperature sensing unit 2 includes a sensingterminal 20, and a signal transferring cable 21 extended from the rearend of the sensing terminal 20, and the signal transferring cable 21 isconnected to the above-mentioned cellphone or the computer. According tothis embodiment, the temperature sensing terminal 20 is formed as anelongated rod-like member, and screwed on the water cooling head 1 byutilizing a screw piece 221. Wherein, the top surface 111 of the watercooling head 1 is formed with a screw hole 112, two ends of the screwpiece 22 are respectively formed with a package hole 220 and a screw rod221, the package hole 220 allows the sensing terminal 20 to be packagedtherein, the screw rod 221 is screwed in the screw hole 112 of the watercooling head 1, so that the sensing terminal 20 is combined with thewater cooling head 1. Accordingly, when thermal energy is generated bythe heat source 3, the thermal energy can be transferred to the watercooling head 1 adjacently adhered with the heat source 3, and thesensing terminal 20 can be served to sense the water cooling head 1 forobtaining the temperature of the heat source 3.

Please refer to FIG. 3, according to a second embodiment provided by thepresent invention, the water cooling head 1 further includes a bottomplate 10, and a cover plate 11 covered on the bottom plate 10. Theadhering surface 100 is formed below the bottom plate 10, and the topsurface 111 is formed above the cover plate 11. An accommodation chamber110 is formed between the cover plate 11 and the bottom plate 10, thebottom plate 10 is formed with a plurality of fins 101 arranged withintervals and disposed in the accommodation chamber 110, and the coverplate 11 is disposed with two water connecting ports 13 communicatedwith the accommodation chamber 110, thereby allowing the above-mentionedliquid-cooling system to be connected. According to the FIG. 1 and FIG.2 disclosed in the first embodiment, the temperature sensing unit 2 isscrewed on the cover plate 11 through the screw piece 22, in other wordsthe above-mentioned screw hole 112 is formed on the top surface 111 ofthe cover plate 11, and the screw rod 221 of the screw piece 22 isscrewed in the screw hole 112 of the cover plate 11.

Please refer to FIG. 4 and FIG. 5, according to a third embodimentprovided by the present invention, a recessed surface 102 is formed at acorner of the adhering surface 100 of the water cooling head 1, and apositioning post 103 is formed on the recessed surface 102. The sensingterminal 20 of the temperature sensing unit 2 is formed as a flatcircular member having a positioning hole 201, the sensing terminal 20is sleeved on the positioning post 103 through the positioning hole 201,so that the sensing terminal 20 can be combined on the recessed surface102 with a riveting or soldering means; according to this embodiment, ascrew hole 104 is formed in the positioning post 103, and a screwingmember 202 is utilized for being screwed in the screw hole 104 so as tobe fastened. Moreover, a stand 14 is stacked on the top surface 11 ofthe water cooling head 1, the stand 14 has extending feet 140corresponding to corners of the water cooling head 1, so that theextending feet 140 are able to work with a circuit board (not shown infigures) of the heat source 3 for allowing the water cooling head 1 tobe fastened with the heat source 3.

Please refer to FIG. 6 and FIG. 7, according to a fourth embodimentprovided by the present invention, the sensing terminal 20 of thetemperature sensing unit 2 is formed in a needle-like status, andinserted to the interior from the lateral surface 12 of the watercooling head 1. Details are provided as follows, the lateral surface 12of the water cooling head 1 is formed with an orifice 120, and theorifice 120 allows the sensing terminal 20 in the needle-like status tobe tightly inserted therein so as to be packaged in the water coolinghead 1; moreover, please refer to FIG. 8, an outer edge of the orifice120 is further processed with a soldering operation for forming a sealedportion 23, so that the sensing terminal 20 can also be packaged in thewater cooling head 1.

Accordingly, with the above-mentioned components, the liquid-coolingtermination structure having temperature sensing function is assembled.

Based on what has been disclosed above, the liquid-cooling terminationstructure having temperature sensing function provided by the presentinvention enables the temperature sensing unit 2 and the water coolinghead 1 to be integrated with the liquid-cooling termination beingcombined, so that the temperature of the heat source 3 can be obtainedthrough the water cooling head 1 being in contact with the heat source3. As such, the heat source 3 is not required to provide a function ofoutputting a temperature signal, so that the information security of thecellphone or the computer can be ensured, and the concern of leakinginformation can be avoided.

Although the present invention has been described with reference to theforegoing preferred embodiment, it will be understood that the inventionis not limited to the details thereof. Various equivalent variations andmodifications can still occur to those skilled in this art in view ofthe teachings of the present invention. Thus, all such variations andequivalent modifications are also embraced within the scope of theinvention as defined in the appended claims.

What is claimed is:
 1. A liquid-cooling termination structure havingtemperature sensing function, disposed on a liquid-cooling system usedfor performing a heat dissipating operation to a heat source ofequipment, and including: a water cooling head, disposed outside theheat source of equipment, having an adhering surface adhered to the heatsource of equipment; and a temperature sensing unit, including a sensingterminal, and a signal transferring cable extended from the sensingterminal, wherein the sensing terminal is combined with the watercooling head from the exterior of the water cooling head, and the signaltransferring cable is connected to the equipment for obtaining thetemperature of the heat source through the water cooling head; whereinthe water cooling head is formed as a polygonal sheet-like member, arecessed surface is formed at a corner of the adhering surface, and thesensing terminal of the temperature sensing unit is formed as a flatcircular member and combined on the recessed surface.
 2. Theliquid-cooling termination structure having temperature sensing functionaccording to claim 1, wherein a positioning post is formed on therecessed surface, a positioning hole is formed on the sensing terminal,and the positioning hole is sleeved on the positioning post.
 3. Theliquid-cooling termination structure having temperature sensing functionaccording to claim 2, wherein a screw hole is formed in the positioningpost, and a screwing member is utilized for being screwed in the screwhole.
 4. The liquid-cooling termination structure having temperaturesensing function according to claim 3, wherein a stand is stacked on thetop surface of the water cooling head, and the stand has extending feetcorresponding to corners of the water cooling head.